package com.yc.damai.biz;

import com.yc.damai.entity.DmPromotion;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author ly
 * @since 2024-09-28
 */
public interface IDmPromotionService extends IService<DmPromotion> {

    void begin(int pmid);

    void end(DmPromotion promotion);


}
